Landscape border block



FIG. 1 is a top view of the invention;

FIG. 2 is a first side view thereof;

FIG. 3 is a first end top perspective view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a second side view thereof.

The phantom or broken line showing is for illustrative purposes only and forms no part of the claimed design. 

What is claimed is the ornamental design for a landscape border block, as shown and described. 